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Los Angeles Hosts First-Ever Sperm Race to Highlight Male Fertility Concerns

Teen entrepreneur Eric Zhu's $1.5 million event draws over 100,000 livestream viewers and sparks debate on reproductive health and sperm count trends.

Tristan Mykel of USC holds a golden sperm trophy after winning the Sperm Racing competition
Asher Proeger watches his sperm on the starting line before the race
Co-founder Eric Zhu says he organized event to call attention to male infertility
Sperm shaped confetti rests on the floor after a Sperm Racing competition in Los Angeles, California

Overview

  • The inaugural sperm racing event, created by 17-year-old Eric Zhu, took place at the Hollywood Palladium in Los Angeles on April 25, 2025.
  • The competition featured sperm samples from two university students racing on microfluidic tracks, with USC's Tristan Milker declared the winner.
  • Zhu raised $1.5 million to organize the event, which aimed to raise awareness of male fertility issues and promote healthier lifestyle choices.
  • A YouTube livestream of the event attracted over 100,000 viewers, while the live audience included attendees in humorous costumes and hosts making lewd jokes.
  • Scientists remain divided on long-term sperm count trends, with some attributing declines to environmental factors, though consensus is lacking.